docs: def write_Composition(file, composition, bpm=120, repeat=0, verbose=False):
      """Write a mingus.Composition to a MIDI file."""
      m = MidiFile()
      t = []
      for x in range(len(composition.tracks)):
          t += [MidiTrack(bpm)]
      m.tracks = t
      while repeat >= 0:
          for i in range(len(composition.tracks)):
              m.tracks[i].play_Track(composition.tracks[i])
          repeat -= 1
      return m.write_file(file, verbose)